Eating pond scum

pond scum a slang name for microalgae like spirulina and chlorella having a moment becoming more well-known and popular at this moment in time; similar to ‘trending’ superfood a type of food which is especially full of healthy nutrients like vitamins, minerals and protein becoming stretched not enough resources to meet people’s needs sustainable intensification food produced in ways which don’t damage the environment or use new land organism any plant or animal life form